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Bone Grafting In Dentistry

Is Bone grafting used in Dentistry?

Yes, with advancement in dental treatments bone grafting is most commonly used in dentistry.

In which dental treatments bone grafting is used?

Bone grafting is used in following dental treatments

• Ridge preservation after tooth extraction

• Ridge augmentation

• Ridge repair

What are the different types of bone grafts?

Autograft: Are those where the bone to be grafted to the jaw is taken, or harvested, from your own body. The area where the bone is harvested from, known as the donor site, is usually the mouth or the hip. This is your own bone and is very compatible with your body. Autografts are generally the best graft technique and usually result in the greatest regeneration of missing jawbone.

Allograft: These grafts are  taken from human donors. Many countries have donor programs where you can specify that in the event of your death, parts may be harvested from your body to save or improve the life of others. Heart transplants are one type of allograft. This can represent one of the greatest "gifts" you can ever give. Bone obtained in this mannor undergoes rigorous tests and sterilization. Your body "converts" the donor bone into your natural bone, thereby rebuilding your resorbed jawbone.

Xenograft: These grafts are  harvested from animals. The animal bone, most commonly bovine (cow), is specially processed to make it biocompatible and sterile. It acts like a "filler" which in time your body will replace with natural bone. After this replacement process is complete dental implants may be placed to support teeth.

Alloplast: These grafts are inert, man made synthetic materials. The modern artificial joint replacement procedure uses metal alloplastic grafts. For bone replacement a man made material that mimics natural bone is used. Most often this a form of calcium phosphate. Depending on how it is made, it may be "resorbable" or "non-resorbable". That is, your body may or may not replace the alloplastic graft with your natural bone. In those cases where it is not replaced it acts as a lattice or scaffold upon which natural bone is built. In either case, the end result is to create enough bone for the placement of dental implants.

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